42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
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#!/bin/python
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import select
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import time
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vcsa = {}
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for i in range(1,7):
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vcsa[str(i)] = open('/dev/vcs'+str(i),'rb')
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vcsa[str(i)].read()
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tty = open('/sys/devices/virtual/tty/tty0/active','r')
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oldTty = str(tty.read()[3:-1])
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watchdog = select.poll()
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watchdog.register(tty, select.EPOLLPRI)
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watchdog.register(vcsa[ oldTty ], select.EPOLLPRI)
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while True:
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changed = watchdog.poll()
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print('-----------------------------')
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print(changed,tty.fileno())
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for fileno, event in changed:
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if tty.fileno() == fileno:
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currTty = tty.seek(0)
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#b = open('/sys/devices/virtual/tty/tty0/active','r')
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currTty = str(tty.read()[3:-1])
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print('|'+currTty+'|'+oldTty+'|')
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if currTty != oldTty:
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watchdog.register(vcsa[ currTty ].fileno(), select.EPOLLPRI)
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watchdog.unregister(vcsa[ oldTty ].fileno())
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oldTty = currTty
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print('new screen ' + currTty)
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else:
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print('update '+ currTty + ' ' + str(fileno))
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vcsa[currTty].seek(0)
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b = vcsa[currTty].read()
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#print(b)
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time.sleep(0.5)
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